The appalachian mountains.
there isnt really any explanation it just is the appalachian mountains.
Answer:
Past and history are not the same thing • Past is what happened, history is the story told based on what happened. History changes because different interpretations are being passed on • There is not one interpretation of what happened.
Explanation:
Answer:
seven quintillion
Explanation:
or 5 hundred quadrillion grains
7.5x10^18
